calcium process of preparing calcium hypochlorite
calcium process of preparing calcium hypochlorite
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calcium process of preparing calcium hypochlorite

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Method of preparing calcium hypochlorite - DIAMOND

The method of preparing high purity, dry calcium hypochlorite substantially free from calcium chloride, which comprises the steps of slurrying dibasic calcium hypochlorite with water to provide a concentration of available calcium hypochlorite of not over 22%, based upon the water of the slurry, at a temperature of about 200 C., agitating said ...

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Process of making calcium hypochlorite - ICI Australia

1. A process for the continuous preparation of a calcium hypochlorite slurry which comprises: a. continuously pumping into a first stirred reactor an aqueous slurry of calcium hydroxide and sodium hydroxide while simultaneously passing chlorine gas into the reaction mixture at such a rate that the redox potential is in the range from 650 - 850 mV;

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US2446869A - Method of preparing calcium hypochlorite ...

hypochlorite calcium calcium hypochlorite basic slurry Prior art date 1943-12-13 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US514097A Inventor George L Cunningham

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US4183907A - Method for preparing calcium hypochlorite ...

Calcium hypochlorite useful as a commercial sanitizing agent and swimming pool disinfectant is produced by a process wherein calcium hydroxide and organic hypochlorite are reacted in a first reaction zone to produce calcium hypochlorite. The portion of the calcium hydroxide remaining unreacted is recovered along with product calcium hypochlorite in a mixture of solids.

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Production process of calcium hypochlorite_ENOCHLOR

Production process of calcium hypochlorite. At present, there are three main types of calcium hypochlorite production methods, namely, calcium process, sodium process and hypochlorous acid process: the calcium process route is shown in Figure 1. First, a lime slurry is added to the chlorination tank, and then chlorine gas is introduced therein ...

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Process for producing calcium hypochlorite - PPG ...

U.S. Pat. No. 3,950,499 describes a multi-step process for preparing calcium hypochlorite in which sodium hydroxide is mixed with an aqueous solution saturated with calcium hypochlorite and sodium chloride, which also contains a small amount of calcium hypochlorite crystals and

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PREPARATION OF HIGH TEST CALCIUM HYPOCHLORITE -

In the process of this invention a calcium hypochlorite containing 85 to 90 percent calcium hypochlorite is exposed to an inert gas, e.g., air or nitrogen, having a humidity of 80 to 100 percent at temperatures of 80° to 110° F. for a time sufficient to form a hypochlorite product containing 6 to 12 percent water.

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Calcium Hypochlorite/Calcium Process - Jutai Chem

2021-7-29  2) Application of Calcium Hypochlorite/Calcium Process: The product has high efficient bleaching, disinfection and sterilization effect, widely used in papermaking, bleached cotton and linen fabrics, industrial wastewater treatment and industrial manufacturing of intermediates, drinking water and aquaculture disinfection, cleaning and hygiene in public places, and bacteria in the food industry ...

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Process for the production of calcium hypochlorite ...

The calcium hypochlorite compositions prepared by the novel process of the present invention usually have an available chlorine content of up to about 50 percent, for example, in the range of from about 45 to about 50 percent by weight of Ca(OCl) 2. In addition to calcium hypochlorite, the compositions contain an alkali metal chloride.

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Calcium Hypochlorite (Calcium process)

1. 100kg of calcium hypochlorite 65% into 1 MT of water. The solution will be bleaching liquid at a density of 6.5% effective chlorine. 2.1% disinfection liquid can be formulated by adding 1.7 g of calcium hypo 65% into 1 MT of water. 2) Good stability.

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Method for preparing calcium hypochlorite - Olin

In general, calcium hypochlorite is prepared from chlorine, sodium hydroxide, and calcium hydroxide. In Encyclopedia of Chemical Technology, by Kirk-Othmer, 2nd edition, volume 5, pages 16-25, a variety of chemical processes are employed for preparing calcium hypochlorite.

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PREPARATION OF HIGH TEST CALCIUM HYPOCHLORITE -

In the process of this invention a calcium hypochlorite containing 85 to 90 percent calcium hypochlorite is exposed to an inert gas, e.g., air or nitrogen, having a humidity of 80 to 100 percent at temperatures of 80° to 110° F. for a time sufficient to form a hypochlorite product containing 6 to 12 percent water.

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Production process of calcium hypochlorite_ENOCHLOR

2019-11-22  At present, there are three main types of calcium hypochlorite production methods, namely, calcium process, sodium process and hypochlorous acid process: the calcium process route is shown in Figure 1. First, a lime slurry is added to the chlorination tank, and then chlorine gas is introduced therein to carry out a chlorination reaction.

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Calcium Hypochlorite/Calcium Process - Jutai Chem

2021-7-29  2) Application of Calcium Hypochlorite/Calcium Process: The product has high efficient bleaching, disinfection and sterilization effect, widely used in papermaking, bleached cotton and linen fabrics, industrial wastewater treatment and industrial manufacturing of intermediates, drinking water and aquaculture disinfection, cleaning and hygiene in public places, and bacteria in the food industry ...

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Calcium Hypochlorite (Calcium process)

1. 100kg of calcium hypochlorite 65% into 1 MT of water. The solution will be bleaching liquid at a density of 6.5% effective chlorine. 2.1% disinfection liquid can be formulated by adding 1.7 g of calcium hypo 65% into 1 MT of water. 2) Good stability.

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Calcium Hypochlorite - an overview ScienceDirect Topics

Calcium Hypochlorite. ... care must be taken both in the preparation and storage of the hypochlorite solution, and also in the storage and containment of the hypochlorite parent compounds. ... Schematic diagram of a typical on-site sodium hypochlorite process and injection system by the electrolysis of brine made on site from high purity salt.

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Calcium Hypochlorite Patents and Patent Applications ...

2008-3-17  Abstract: An economical, industrial and ecologically-sound process for producing high test hypochlorite and a calcium chloride aqueous solution comprising the steps of (a) preparing milk of lime, (b) chlorinating the milk of lime to crystallize calcium hypochlorite dihydrate in the presence of the prismatic calcium hypochlorite dihydrate seed crystals having a specific habit to prepare a ...

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Calcium Hypochlorite [Ca(ClO)2] - Structure, Properties ...

2021-11-10  What is Calcium Hypochlorite? Calcium hypochlorite is a chemical compound that has the formula Ca(ClO) 2. It is commonly referred to as bleaching powder or calcium oxychloride. It is an ionic compound that is made up of a calcium

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Preparation and Calcium Complexation of Oxidized ...

The oxidation of maltodextrins and starch with aqueous alkaline sodium hypochloride has been studied. At an oxidant level of 3 moles hypochlorite per anhydroglucose unit at pH 8–9, a C2, C3‐glycol‐cleaved dicarboxy polysaccharide was obtained containing up to

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CAS SODIUM HYPOCHLORITE

2012-4-13  ‘When released to air, sodium and calcium hypochlorite are broken down by sunlight and compounds commonly found in the air. ‘ In water and soil, sodium and calcium hypochlorite separate into sodium, calcium and hypochlorite ions (an ion is an electrically charged atom or molecule). These ions may react with other substances found in the water.

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US Patent for Process of making calcium hypochlorite ...

In the known process of preparing a slurry of calcium hypochlorite by reaction of chlorine with a slurry of calcium hydroxide and sodium hydroxide, we provide the improvement consisting of continuously pumping into a first stirred reactor an aqueous slurry of calcium hydroxide and sodium hydroxide optionally partially chlorinated and simultaneously passing chlorine gas into the reaction ...

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Calcium hypochlorite - wikidoc

2021-9-18  Preparation. It is manufactured using the calcium process or the sodium process. Calcium Process 2 Ca(OH) 2 + 2 Cl 2 → Ca(OCl) 2 + CaCl 2 + 2 H 2 O Sodium Process 2 Ca(OH) 2 + 3 Cl 2 + 2 NaOH → Ca(OCl) 2 + CaCl 2 + 2 H 2 O + 2 NaCl Bleaching powder is actually a mixture of calcium hypochlorite Ca(OCl) 2 and the basic chloride CaCl 2, Ca(OH) 2, H 2 O with some slaked lime,

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Calcium Hypochlorite/Calcium Process - Jutai Chem

2021-7-29  2) Application of Calcium Hypochlorite/Calcium Process: The product has high efficient bleaching, disinfection and sterilization effect, widely used in papermaking, bleached cotton and linen fabrics, industrial wastewater treatment and industrial manufacturing of intermediates, drinking water and aquaculture disinfection, cleaning and hygiene in public places, and bacteria in the food industry ...

More

Production process of calcium hypochlorite_ENOCHLOR

2019-11-22  At present, there are three main types of calcium hypochlorite production methods, namely, calcium process, sodium process and hypochlorous acid process: the calcium process route is shown in Figure 1. First, a lime slurry is added to the chlorination tank, and then chlorine gas is introduced therein to carry out a chlorination reaction.

More

Calcium Hypochlorite [Ca(ClO)2] - Structure, Properties ...

2021-11-10  What is Calcium Hypochlorite? Calcium hypochlorite is a chemical compound that has the formula Ca(ClO) 2. It is commonly referred to as bleaching powder or calcium oxychloride. It is an ionic compound that is made up of a calcium

More

Calcium Hypochlorite Patents and Patent Applications ...

2008-3-17  Abstract: An economical, industrial and ecologically-sound process for producing high test hypochlorite and a calcium chloride aqueous solution comprising the steps of (a) preparing milk of lime, (b) chlorinating the milk of lime to crystallize calcium hypochlorite dihydrate in the presence of the prismatic calcium hypochlorite dihydrate seed crystals having a specific habit to prepare a ...

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Calcium Hypochlorite - Water Safety Magazine

2020-5-28  Calcium Hypochlorite (Cal-Hypo). M any of us relate swimming pools, and even fun summer time, when thinking about chlorine. Calcium Hypochlorite is the most popular powder sanitizer among private swimming pool owners. It is an inorganic compound with formula Ca(ClO) 2. This compound is relatively stable and has greater available chlorine than sodium hypochlorite (liquid bleach).

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Calcium chloride manufacture process

The method of producing calcium chloride includes the preparation of the sorbent, the chlorination of the sorbent chlorobutanol mixture to obtain a concentrated solution of calcium chloride, the destruction of hypochlorite during the second half PR is the process of chlorination at a concentration of calcium oxide 60-80 g/l, two-step ...

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Preparation and Calcium Complexation of Oxidized ...

The oxidation of maltodextrins and starch with aqueous alkaline sodium hypochloride has been studied. At an oxidant level of 3 moles hypochlorite per anhydroglucose unit at pH 8–9, a C2, C3‐glycol‐cleaved dicarboxy polysaccharide was obtained containing up to

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Chemicals Used in the Water Purification System

2021-9-7  Calcium Hypochlorite is a disinfectant that is used in drinking water. 8. Calcium Hypochlorite (Calcium Process) Calcium Hypochlorite (Calcium Process) Calcium Hypochlorite is an industrial chemical inclusive of three main elements i.e. calcium, oxygen, and chlorine. Calcium Hypochlorite is also acknowledged by the trading name of Bleaching ...

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